Translate 'localhost' into the system's IP when serving up proxy URLs (RCE-1438)
Revert change to image worker that didn't belong
Rollback after a collision in the auth cache, otherwise postgres gets upset
Update rmake-proxy and rmake-repos configs to use the WSGI stack
recipes: fix requires getting attached to an excluded directory
testsuite: fix rmakehelp failing if servercfg plugin isn't importable
testsuite: get_plugin_dirs should return system path when not running from checkout
Compatibility with Conary 2.5
Add contributor agreement
chroothelper: move busybox somewhere that won't interfere with usrmerge distros
chroothelper: support bind mounts
chroot: disable requireCleanSources

This is to support using sourceSearchDir inside the rmake chroot. It's
very unlikely that requireCleanSources would otherwise have any effect
inside the chroot, so there's no downside.
Add server config option for extra chroot mount points
Add pidfile support to initscript
Branch merge
Fix "rmake chroot" regression from 603856b8bf35
Add copy of old rephelp for backwards compatibility
Fix redundant isDefault check on Conary 2.5 that triggers an unnecessary copy-on-write
Create nested directories for chroot mounts, if needed
chroothelper: fix --extra-mount not bothering to alloc a bigger array